Flanged Y Strainers YF125 Cast Iron YF250 Ductile Iron Class 250 YF150 / YF150SS Cast Steel / Cast 316 Stainless Steel YF300 /YF300SS Cast Steel / Cast 316 Stainless Steel YF600 / YF600SS – Cast Steel / Cast 316 Stainless Steel YF900 / YF900SS Cast Steel / Cast 316 Stainless Steel YF1500 / YF1500SS – Cast Steel / Cast 316 Stainless Steel YF1500LCC – Cast Low Temperature Carbon Steel Pressure Drop Chart Threaded Y-Strainers